Husni Husin, Fahrizal Nasution, Muhammad Zaki, Ahmadi Ahmadi, Pocut Nurul Alam, Lia Mairiza, Azhari Azhari, Muhammad Lathiful Yazil
The conversion of FFA from jatropha oil was synthesis using potassium oxide (K2O) as a catalyst. This study aims to obtain catalyst materials by simply burning coconut husk and investigate the use of the solid catalyst for the transesterification process of jatropha oil into biodiesel production. The ash catalysts were characterized by X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). From the XRD spectrum, it has been observed that the component of the catalyst is a crystalline nature of K2O as an active site. The catalysts derived from coconut husk ash grew into a hexagonal-shaped morphology, as depicted by SEM images. The effects of the methanol-to-oil ratio were studied to obtain maximum biodiesel production. The conversion of jatropha oil into biodiesel achieved 98.6% under the conditions: a reaction temperature of 65 oC, a methanol to jatropha oil molar ratio of 6:1, and a catalyst of 10 wt.%. Utilization of oil coconut husk ash as a solid catalyst for biodiesel production provides a environmentally friendly way of recycling this solid coconut husk waste, significantly reducing its environmental effects and making biodiesel competitive with petroleum diesel. © 2024 AIP Publishing LLC.
Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Doctoral Program, School of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Chemical Engineering, Faculty of Engineering, Universitas Malikussaleh, Lhokseumawe, Indonesia
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